//
//  ARTSafeHelper.swift
//  ChartsDemo
//
//  Created by 刘权 on 2024/3/31.
//

import UIKit;

public class ARTSafeHelper: NSObject {
    var crctab = [0x00000000 , 0x77073096 ,
                  0xEE0E612C ,  0x990951BA ,  0x076DC419 ,  0x706AF48F ,  0xE963A535 ,
                  0x9E6495A3 ,  0x0EDB8832 ,  0x79DCB8A4 ,  0xE0D5E91E ,  0x97D2D988 ,
                  0x09B64C2B ,  0x7EB17CBD ,  0xE7B82D07 ,  0x90BF1D91 ,  0x1DB71064 ,
                  0x6AB020F2 ,  0xF3B97148 ,  0x84BE41DE ,  0x1ADAD47D ,  0x6DDDE4EB ,
                  0xF4D4B551 ,  0x83D385C7 ,  0x136C9856 ,  0x646BA8C0 ,  0xFD62F97A ,
                  0x8A65C9EC ,  0x14015C4F ,  0x63066CD9 ,  0xFA0F3D63 ,  0x8D080DF5 ,
                  0x3B6E20C8 ,  0x4C69105E ,  0xD56041E4 ,  0xA2677172 ,  0x3C03E4D1 ,
                  0x4B04D447 ,  0xD20D85FD ,  0xA50AB56B ,  0x35B5A8FA ,  0x42B2986C ,
                  0xDBBBC9D6 ,  0xACBCF940 ,  0x32D86CE3 ,  0x45DF5C75 ,  0xDCD60DCF ,
                  0xABD13D59 ,  0x26D930AC ,  0x51DE003A ,  0xC8D75180 ,  0xBFD06116 ,
                  0x21B4F4B5 ,  0x56B3C423 ,  0xCFBA9599 ,  0xB8BDA50F ,  0x2802B89E ,
                  0x5F058808 ,  0xC60CD9B2 ,  0xB10BE924 ,  0x2F6F7C87 ,  0x58684C11 ,
                  0xC1611DAB ,  0xB6662D3D ,  0x76DC4190 ,  0x01DB7106 ,  0x98D220BC ,
                  0xEFD5102A ,  0x71B18589 ,  0x06B6B51F ,  0x9FBFE4A5 ,  0xE8B8D433 ,
                  0x7807C9A2 ,  0x0F00F934 ,  0x9609A88E ,  0xE10E9818 ,  0x7F6A0DBB ,
                  0x086D3D2D ,  0x91646C97 ,  0xE6635C01 ,  0x6B6B51F4 ,  0x1C6C6162 ,
                  0x856530D8 ,  0xF262004E ,  0x6C0695ED ,  0x1B01A57B ,  0x8208F4C1 ,
                  0xF50FC457 ,  0x65B0D9C6 ,  0x12B7E950 ,  0x8BBEB8EA ,  0xFCB9887C ,
                  0x62DD1DDF ,  0x15DA2D49 ,  0x8CD37CF3 ,  0xFBD44C65 ,  0x4DB26158 ,
                  0x3AB551CE ,  0xA3BC0074 ,  0xD4BB30E2 ,  0x4ADFA541 ,  0x3DD895D7 ,
                  0xA4D1C46D ,  0xD3D6F4FB ,  0x4369E96A ,  0x346ED9FC ,  0xAD678846 ,
                  0xDA60B8D0 ,  0x44042D73 ,  0x33031DE5 ,  0xAA0A4C5F ,  0xDD0D7CC9 ,
                  0x5005713C ,  0x270241AA ,  0xBE0B1010 ,  0xC90C2086 ,  0x5768B525 ,
                  0x206F85B3 ,  0xB966D409 ,  0xCE61E49F ,  0x5EDEF90E ,  0x29D9C998 ,
                  0xB0D09822 ,  0xC7D7A8B4 ,  0x59B33D17 ,  0x2EB40D81 ,  0xB7BD5C3B ,
                  0xC0BA6CAD ,  0xEDB88320 ,  0x9ABFB3B6 ,  0x03B6E20C ,  0x74B1D29A ,
                  0xEAD54739 ,  0x9DD277AF ,  0x04DB2615 ,  0x73DC1683 ,  0xE3630B12 ,
                  0x94643B84 ,  0x0D6D6A3E ,  0x7A6A5AA8 ,  0xE40ECF0B ,  0x9309FF9D ,
                  0x0A00AE27 ,  0x7D079EB1 ,  0xF00F9344 ,  0x8708A3D2 ,  0x1E01F268 ,
                  0x6906C2FE ,  0xF762575D ,  0x806567CB ,  0x196C3671 ,  0x6E6B06E7 ,
                  0xFED41B76 ,  0x89D32BE0 ,  0x10DA7A5A ,  0x67DD4ACC ,  0xF9B9DF6F ,
                  0x8EBEEFF9 ,  0x17B7BE43 ,  0x60B08ED5 ,  0xD6D6A3E8 ,  0xA1D1937E ,
                  0x38D8C2C4 ,  0x4FDFF252 ,  0xD1BB67F1 ,  0xA6BC5767 ,  0x3FB506DD ,
                  0x48B2364B ,  0xD80D2BDA ,  0xAF0A1B4C ,  0x36034AF6 ,  0x41047A60 ,
                  0xDF60EFC3 ,  0xA867DF55 ,  0x316E8EEF ,  0x4669BE79 ,  0xCB61B38C ,
                  0xBC66831A ,  0x256FD2A0 ,  0x5268E236 ,  0xCC0C7795 ,  0xBB0B4703 ,
                  0x220216B9 ,  0x5505262F ,  0xC5BA3BBE ,  0xB2BD0B28 ,  0x2BB45A92 ,
                  0x5CB36A04 ,  0xC2D7FFA7 ,  0xB5D0CF31 ,  0x2CD99E8B ,  0x5BDEAE1D ,
                  0x9B64C2B0 ,  0xEC63F226 ,  0x756AA39C ,  0x026D930A ,  0x9C0906A9 ,
                  0xEB0E363F ,  0x72076785 ,  0x05005713 ,  0x95BF4A82 ,  0xE2B87A14 ,
                  0x7BB12BAE ,  0x0CB61B38 ,  0x92D28E9B ,  0xE5D5BE0D ,  0x7CDCEFB7 ,
                  0x0BDBDF21 ,  0x86D3D2D4 ,  0xF1D4E242 ,  0x68DDB3F8 ,  0x1FDA836E ,
                  0x81BE16CD ,  0xF6B9265B ,  0x6FB077E1 ,  0x18B74777 ,  0x88085AE6 ,
                  0xFF0F6A70 ,  0x66063BCA ,  0x11010B5C ,  0x8F659EFF ,  0xF862AE69 ,
                  0x616BFFD3 ,  0x166CCF45 ,  0xA00AE278 ,  0xD70DD2EE ,  0x4E048354 ,
                  0x3903B3C2 ,  0xA7672661 ,  0xD06016F7 ,  0x4969474D ,  0x3E6E77DB ,
                  0xAED16A4A ,  0xD9D65ADC ,  0x40DF0B66 ,  0x37D83BF0 ,  0xA9BCAE53 ,
                  0xDEBB9EC5 ,  0x47B2CF7F ,  0x30B5FFE9 ,  0xBDBDF21C ,  0xCABAC28A ,
                  0x53B39330 ,  0x24B4A3A6 ,  0xBAD03605 ,  0xCDD70693 ,  0x54DE5729 ,
                  0x23D967BF ,  0xB3667A2E ,  0xC4614AB8 ,  0x5D681B02 ,  0x2A6F2B94 ,
                  0xB40BBE37 ,  0xC30C8EA1 ,  0x5A05DF1B ,  0x2D02EF8D];
//    @objc func intgetCrc_Calc(Context:NSData) -> UInt {
//        let secretkey:UInt = 0xFFFFFFFF;
//        return (CRC32_Calculate(secretkey: secretkey, Context: Context) ^ secretkey);
//    }
//    
//    @objc func CRC32_Calculate(secretkey:UInt,Context:NSData) -> UInt {
//        var tempSecretkey = secretkey;
//        
//        var index:UInt;
//        var i:Int = 0;
//        for _ in Context {
//            var temp:Int = 0
//            Context.getBytes(&temp, range: NSRange(location: i,length:1 ))
//            index = secretkey ^ UInt(temp);//data[i];//UInt(Context[i]);
//            tempSecretkey =  ((tempSecretkey >> 8) ^ UInt(crctab[(Int(index)&0xff)]));
//            i = i+1;
//        }
//
//        return tempSecretkey;
//        
////        int [] crctab =crc_tab();
////        int index ;
////        for (int i = 0; i < Context.length; i++) {
////            index = secretkey ^ Context[i];
////            secretkey =  ((secretkey >>> 8) ^ crctab[(index&0xff)]);
////        }
////        return secretkey;
//    }
//    @objc func intgetCrc_Calc(Context:NSData) -> Int {
//        let secretkey:Int = 0xFFFFFFFF;
//        return (CRC32_Calculate(secretkey: secretkey, Context: Context) ^ secretkey);
//    }
    
//    @objc func CRC32_Calculate(secretkey:Int,Context:NSData) -> Int {
//        var tempSecretkey = secretkey;
//        
//        var index:Int;
//        var i:Int = 0;
//        for _ in Context {
//            var temp:Int = 0
//            Context.getBytes(&temp, range: NSRange(location: i,length:1 ))
//            index = secretkey ^ Int(temp);//data[i];//UInt(Context[i]);
//            tempSecretkey =  ((tempSecretkey >> 8) ^ crctab[(Int(index)&0xff)]);//((tempSecretkey >> 8) ^ crctab[(Int(index)&0xff)]);
//            i = i+1;
//        }
//
//        return tempSecretkey;
//        
////        int [] crctab =crc_tab();
////        int index ;
////        for (int i = 0; i < Context.length; i++) {
////            index = secretkey ^ Context[i];
////            secretkey =  ((secretkey >>> 8) ^ crctab[(index&0xff)]);
////        }
////        return secretkey;
//    }
    
    //-------
//    @objc func relizeRight(value:Int32, bit: Int32) ->Int32 {
//
//            //将十进制转为二进制
//            var caculate = String.init(value, radix:2)
//
//            if (caculate.first == "-") {
//                let index = caculate.index(caculate.startIndex, offsetBy:1)
//                caculate = caculate.substring(from: index)
//            }
//
//            for _ in 0..<32-caculate.count {
//                caculate = "0"+caculate
//            }
//
//            //如果是负数位移那么要对二进制数取反然后+1
//            if value < 0 {
//
//                let becomeTwo = caculate.replacingOccurrences(of:"1", with: "2")
//
//                let becomeOne = becomeTwo.replacingOccurrences(of:"0", with: "1")
//
//                caculate = becomeOne.replacingOccurrences(of:"2", with: "0")
//
//                if (caculate.last == "0") {
//
//                    let index = caculate.index(caculate.startIndex, offsetBy: caculate.count - 1)
//
//                    caculate = caculate.substring(to: index) + "1"
//
//                }else {
//
//                    let index = caculate.index(caculate.startIndex, offsetBy: caculate.count - 2)
//
//                    caculate = caculate.substring(to: index) + "10"
//                }
//            }
//
//            for _ in 0..<bit {
//                caculate = "0"+caculate
//            }
//
//            let index = caculate.index(caculate.startIndex, offsetBy:32)
//            caculate = caculate.substring(to: index)
//            let myResult = Int32.init(caculate, radix:2)
//            return myResult ?? 0
//        }
    
//    @objc func relizeRight(value:Int64, bit: Int64) ->Int64 {
//        
//        
//        
//
//            //将十进制转为二进制
//            var caculate = String.init(value, radix:2)
//
//            if (caculate.first == "-") {
//                let index = caculate.index(caculate.startIndex, offsetBy:1)
//                caculate = caculate.substring(from: index)
//            }
//
//            for _ in 0..<64-caculate.count {
//                caculate = "0"+caculate
//            }
//
//            //如果是负数位移那么要对二进制数取反然后+1
//            if value < 0 {
//
//                let becomeTwo = caculate.replacingOccurrences(of:"1", with: "2")
//
//                let becomeOne = becomeTwo.replacingOccurrences(of:"0", with: "1")
//
//                caculate = becomeOne.replacingOccurrences(of:"2", with: "0")
//
//                if (caculate.last == "0") {
//
//                    let index = caculate.index(caculate.startIndex, offsetBy: caculate.count - 1)
//
//                    caculate = caculate.substring(to: index) + "1"
//
//                }else {
//
//                    let index = caculate.index(caculate.startIndex, offsetBy: caculate.count - 2)
//
//                    caculate = caculate.substring(to: index) + "10"
//                }
//            }
//
//            for _ in 0..<bit {
//                caculate = "0"+caculate
//            }
//
//            let index = caculate.index(caculate.startIndex, offsetBy:64)
//            caculate = caculate.substring(to: index)
//            let myResult = Int64.init(caculate, radix:2)
//            return myResult ?? 0
//        }
    
//    @objc func asyncmethod(value:NSInteger) -> NSInteger{
//        return value &>> 8;
//    }
    
    //---------------测试
    @objc func resultForApp(value:Data) -> Int {
//        let receive : [UInt8] = [0xFE,0x5A,0x14,0x1D,0xCF,0x27,0x36,0x63,0xE0,0xBA,0x86,0x42,0x29,0x60,0x60,0xC2,0x6F,0x95,0x3C,0x36];
//        let temp = value;//Data(bytes: receive, count: 20)
//        
//        var crcche : [UInt8] = [0,0,0,0]
//        crcche[0] = temp[9]
//        crcche[1] = temp[8]
//        crcche[2] = temp[5]
//        crcche[3] = temp[4]
//        let newValue = Data(bytes: crcche, count: 4)
        
        let secretkey = 0xFFFFFFFF
        
        let a = (testMethod(secretkey: secretkey, value: value) ^ secretkey);
        
//        secretkey = secretkey ^ 0xFFFFFFFF
        print("=====a====\(a)")
//        let lalala : [Int] = [0xFE,0x5A,0x14,0x1D,0xCF,0x27,0x36,0x63,0xE0,0xBA,0x86,0x42,0x29,0x60,0x60,0xC2,0x6F,0x95,0x3C,0x36];
//        let b : Int = ((Int(temp[13])&0xFF)<<24) | ((Int(temp[14])&0xFF)<<16) | ((Int(temp[17])&0xFF)<<8) | (Int(temp[18])&0xFF);//((temp[13]&0xFF)<<24) | ((temp[14]&0xFF)<<16) | ((temp[17]&0xFF)<<8) | (temp[18]&0xFF);
//        print("=====b====\(b)")

                
        return a;
    }
    
    @objc func testMethod(secretkey:Int,value:Data) -> Int {
        
        print(value);
        var tempsecretkey = secretkey;
        var index:Int
        var i = 0
        for item in value {
            index = tempsecretkey ^ Int(item)
            tempsecretkey =  ((tempsecretkey &>> 8) ^ crctab[(index&0xff)])
//            print("===1===\(item)")
//            print("===2===\(crctab[(index&0xff)])")
//            print("===3===\(tempsecretkey)")
//            print("---------------\(i)")
            i = i + 1
        }
        return tempsecretkey
    }
    
    @objc func resultForDevice(value:Data) -> Int{
        let b : Int = ((Int(value[13])&0xFF)<<24) | ((Int(value[14])&0xFF)<<16) | ((Int(value[17])&0xFF)<<8) | (Int(value[18])&0xFF)
        print("=====b====\(b)")
        return b
    }
   
}
